题目内容
已知点M(0,1,-2),平面π过原点,且垂直于向量=(1,-2,2),则点M到平面π的的距离为
2
6
A.(-2,-3) B.(2,1) C.(2,3) D.(-2,-1)
A.(-2,-3) B.(2,1)
C.(2,3) D.(-2,-1)